Annotation of src/sys/sys/reboot.h, Revision 1.10
1.10 ! mrg 1: /* $NetBSD: reboot.h,v 1.9 1996/04/22 01:23:25 christos Exp $ */
1.6 cgd 2:
1.1 cgd 3: /*
1.7 mycroft 4: * Copyright (c) 1982, 1986, 1988, 1993, 1994
1.4 cgd 5: * The Regents of the University of California. All rights reserved.
1.1 cgd 6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: * 3. All advertising materials mentioning features or use of this software
16: * must display the following acknowledgement:
17: * This product includes software developed by the University of
18: * California, Berkeley and its contributors.
19: * 4. Neither the name of the University nor the names of its contributors
20: * may be used to endorse or promote products derived from this software
21: * without specific prior written permission.
22: *
23: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33: * SUCH DAMAGE.
34: *
1.7 mycroft 35: * @(#)reboot.h 8.2 (Berkeley) 7/10/94
1.1 cgd 36: */
37:
38: /*
1.8 scottr 39: * Arguments to reboot system call. These are passed to the boot program,
40: * and then on to init.
1.1 cgd 41: */
42: #define RB_AUTOBOOT 0 /* flags for system auto-booting itself */
43:
1.7 mycroft 44: #define RB_ASKNAME 0x001 /* ask for file name to reboot from */
45: #define RB_SINGLE 0x002 /* reboot to single user only */
46: #define RB_NOSYNC 0x004 /* dont sync before reboot */
47: #define RB_HALT 0x008 /* don't reboot, just halt */
48: #define RB_INITNAME 0x010 /* name given for /etc/init (unused) */
49: #define RB_DFLTROOT 0x020 /* use compiled-in rootdev */
50: #define RB_KDB 0x040 /* give control to kernel debugger */
51: #define RB_RDONLY 0x080 /* mount root fs read-only */
1.1 cgd 52: #define RB_DUMP 0x100 /* dump kernel memory before reboot */
1.4 cgd 53: #define RB_MINIROOT 0x200 /* mini-root present in memory at boot time */
1.1 cgd 54:
55: /*
56: * Constants for converting boot-style device number to type,
57: * adaptor (uba, mba, etc), unit number and partition number.
58: * Type (== major device number) is in the low byte
59: * for backward compatibility. Except for that of the "magic
60: * number", each mask applies to the shifted value.
61: * Format:
62: * (4) (4) (4) (4) (8) (8)
63: * --------------------------------
64: * |MA | AD| CT| UN| PART | TYPE |
65: * --------------------------------
66: */
67: #define B_ADAPTORSHIFT 24
68: #define B_ADAPTORMASK 0x0f
69: #define B_ADAPTOR(val) (((val) >> B_ADAPTORSHIFT) & B_ADAPTORMASK)
70: #define B_CONTROLLERSHIFT 20
71: #define B_CONTROLLERMASK 0xf
72: #define B_CONTROLLER(val) (((val)>>B_CONTROLLERSHIFT) & B_CONTROLLERMASK)
73: #define B_UNITSHIFT 16
74: #define B_UNITMASK 0xf
75: #define B_UNIT(val) (((val) >> B_UNITSHIFT) & B_UNITMASK)
76: #define B_PARTITIONSHIFT 8
77: #define B_PARTITIONMASK 0xff
78: #define B_PARTITION(val) (((val) >> B_PARTITIONSHIFT) & B_PARTITIONMASK)
79: #define B_TYPESHIFT 0
80: #define B_TYPEMASK 0xff
81: #define B_TYPE(val) (((val) >> B_TYPESHIFT) & B_TYPEMASK)
82:
1.7 mycroft 83: #define B_MAGICMASK 0xf0000000
84: #define B_DEVMAGIC 0xa0000000
1.1 cgd 85:
86: #define MAKEBOOTDEV(type, adaptor, controller, unit, partition) \
87: (((type) << B_TYPESHIFT) | ((adaptor) << B_ADAPTORSHIFT) | \
88: ((controller) << B_CONTROLLERSHIFT) | ((unit) << B_UNITSHIFT) | \
89: ((partition) << B_PARTITIONSHIFT) | B_DEVMAGIC)
1.9 christos 90:
91: #ifdef _KERNEL
92:
93: __BEGIN_DECLS
94:
1.10 ! mrg 95: void boot __P((int, char *))
1.9 christos 96: __attribute__((__noreturn__));
97:
98: __END_DECLS
99:
100: #endif /* _KERNEL */
101:
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